Finding the Fourth Proportional to 74,898.28, 112,349.72 and 32,756.68
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Solution
The fourth proportional to 74,898.28, 112,349.72 and 32,756.68 is: 49,136.03
Step by Step Solution
- Step 1: Write the proportion equation
74,898.28 : 112,349.72 = 32,756.68 : x - Step 2: Convert to fraction form
74,898.28/112,349.72 = 32,756.68/x - Step 3: Cross multiply
74,898.28x = 112,349.72 × 32,756.68 - Step 4: Simplify right side
74,898.28x = 3,680,203,826.13 - Step 5: Solve for x
x = 3,680,203,826.13/74,898.28 - Step 6: Final answer
x = 49,136.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.